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Find similar answersMathematics, added 2020-09-17 10:31:54

If you add 1/3 of a number to itself you get 1348 what is the number ...

Mathematics, added 2020-09-17 08:57:58

If you add 1/3 of a number to itself you get 1348 what is the number ...

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sqdancefanThe formula I like to use is A = 2(LW + H(L+W)) For your dimensions, this is A = 2((5 cm)(5 cm) + (12 cm)(5 cm + 5 cm)) A = 2(25 cm² + 120 cm²) A = 290 cm² The surface area of your right rectangular prism is 290 cm².